Home / 64,152,001.20-96,228,001.80-18,718,388.40

Finding the Fourth Proportional to 64,152,001.20, 96,228,001.80 and 18,718,388.40

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Solution

The fourth proportional to 64,152,001.20, 96,228,001.80 and 18,718,388.40 is: 28,077,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,001.20 : 96,228,001.80 = 18,718,388.40 : x
  2. Step 2: Convert to fraction form
    64,152,001.20/96,228,001.80 = 18,718,388.40/x
  3. Step 3: Cross multiply
    64,152,001.20x = 96,228,001.80 × 18,718,388.40
  4. Step 4: Simplify right side
    64,152,001.20x = 1,801,233,112,648,299
  5. Step 5: Solve for x
    x = 1,801,233,112,648,299/64,152,001.20
  6. Step 6: Final answer
    x = 28,077,582.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.